customizable Common Lisp like one (implemented entirely in Emacs
Lisp). During reading of Emacs Lisp source files, it is about 40%
slower than the built-in reader, but there is no difference in
-loading byte compiled files - they dont contain any syntactic sugar
+loading byte compiled files - they don't contain any syntactic sugar
and are loaded with the built in subroutine `load'.
** ediff - Compare and merge files with graphical difference display